Answer:
There are three liters of milk in each of the new containers.
Step-by-step explanation:
You take the milk from the two fullest containers. Both of those have 4 1/2 liters of milk. Add them together, this makes 9 liters of milk. He then divides the milk evenly into three new containers, so divide 9 by 3. This makes 3 liters of milk per container.
